Why did my Topspeed Pro1 Exhaust get so much quieter?
Joined: Jan 2004
Posts: 21,095
Likes: 47
From: Toronto, GTA north
Hey people I just had a question.... so basically i bought a Topspeed Pro1 Exhaust from a friend for my 2004 G35 6MT as soon as he installed it for me right from the start it sounded badass..it was loud deep and really growly*..
for the first couple of weeks of having it on it sounded amazing anytime i gave it some throttle in the lower gears and in the tunnels it sounded like a Nissan GTR lol...now i realized it sounds nothing like it used to ...its been about a month or so and its not as loud for one nor is it as deep or growly*...
after i put a new air filter and got my oil change done the noise kinda came back but then within almost a week it was back to the more quiet tone...
If anyone has any ideas on what i can do to get the sound back i would really appreciate it thanks
for the first couple of weeks of having it on it sounded amazing anytime i gave it some throttle in the lower gears and in the tunnels it sounded like a Nissan GTR lol...now i realized it sounds nothing like it used to ...its been about a month or so and its not as loud for one nor is it as deep or growly*...
after i put a new air filter and got my oil change done the noise kinda came back but then within almost a week it was back to the more quiet tone...
If anyone has any ideas on what i can do to get the sound back i would really appreciate it thanks
Most mfgs use a product on the inner insulation that binds it during the mfg process.
This usually makes it a little louder when new because the sound insulation is plugged up with this stuff.
When it burns off, the system gets a little quieter.
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